Joint for wood members.



FREDERICK A. SOHOSSOW, OF DETROIT, MICHIGAN.

JOINT FOR WOOD MEMBERS.

Specification of Letters Patent.

Application filed October 19, 1907.

Patented March 31, 1908.

Serial No. 398,253.

T 0 all whom it may concern:

Be it known that I, FREDERICK A. ScHossow, citizen of the United States,residing at Detroit, county of \Vayne, State of Michigan, have inventeda certain new and useful Improvement in Joints for Wood Members, anddeclare the following to be a full, clear, and exact description of thesame, such as will enable others skilled in the art to which it pertainsto make and use the same, reference being had to the accompanyingdrawings, which form a part of this specification.

My invention relates to an improvement in the means employed to jointogether wooden members used in the construction of closet tanks orother wooden cabinet articles and has for its object an interlockingwood joint for the strips composing its walls: the construction beingsuch that the several faces of one portion of the interlocking ointbears directly against the several opposing faces of the other portionof the joint due to the wedge action of a portion of the joint whichthus differentiates it from joints in which the employment of a wedgeportion results in keeping certain contiguous parts of the interlockingportion of adjacent strips out of contact.

Figure 1 is a perspective view of a closet tank with a portion of itsside wall brokenaway to disclose the form of the interlocking jointengaging the abutting strips forming the wall. Fig. 2 is an enlargedsectional detail through several strips showing the formation of thejoint employed to secure the parts together. Fig. 3 is a similar viewshowing a variation. Fig. 4 is an enlarged sectional detail showing astrip in which both edges are formed with a like joint portion toprovide a structure wherein fastening devices are required for eachalternate strip only. Figs. 5 and 6 show the oint as applied in forminga box corner.

Referring now to v the letters of reference shown on the drawings: Aindicates a closet tank. B are strips joined together to form its walls.C is the joint engaging the strips formed by cutting two faces D, Dparallel with each other at the edge of the strip but at an angle to itsface, the parallel faces being offset from each other a suitabledistance their ends terminating approximately midway of the strip. Thestrip is also cut at right angle to the faces D, D as indicated at E, Eand from the point F to G, which produces an angular or wedge shapeportion H by undercutting the face D.

The abutting strip is formed with a joint portion complementary to thatjust described and when the parts are brought together, (the faces D, Dof the contiguous pieces being parallel) they will come into intimatecontact, being forced into this relation by the wedge shaped tongue H ofeach strip entering the complementary shaped socket of the opposingstrip. It will thus be seen that the union of the several surfaces ofthe oint are of the most perfect character, and that the form of thejoint presents an extended gluing surface which. is particularlydesirable. By this arrangement also it will be seen that the severalstrips are firmly held from movement toward and away from each otheralong the line of their side faces. The joint may be further secureddesired by the insertion of a dowel pin I employed as indi cated in Fig.3 of the drawings.

As shown in Fig. 4 the joint portion of each alternate strip may bealike and in cases where the joints are not glued together, it will onlybe necessary to nail or otherwise secure each alternate strip as theintermediate strip will be securely held in position by the jointitself.

Having thus described my invention, what I claim is 1. A oint for woodmembers formed with two edge faces spaced apart and parallel to eachother and obliquely to the side faces of the members, the materialbetween the spaced edge faces formed into an alternate block and socket,tlie face of the block which forms one wall of the socket being obliqueto the said parallel edge faces, whereby the socket is formed with oneconverging wall and the block formed wedge shaped at one side.

2. A oint for wood members formed with two edge faces spaced apart andparallel to each other and extending obliquely to the side faces of themembers, the material between the spaced edge faces formed into analternate block and socket with the face of the block which forms onewall of the socket oblique to the said parallel edge faces, and providedwith an intermediate longitudinal recess, whereby when two members areunited the parallel edge faces will engage and the oblique ispose( atopposite relations, and a dowel pin disposed in said recesses:

3. A member of the class described comprising a body formed with itsedges ro- Vided with spaced parallel faces extending obliquely to theside faces of the body, the material between the parallel faces formedinto alternate blocks and sockets with the faces of the blocks whichform the outer walls of the socket oblique to the said parallel sidesblock will enter the correedge faces, sipondingly formed sockets withthe recesses l bodies are interen whereby when a plurality of aged attheir edges each alternate body is ocked in position by the 15 otheralternate body and fastenin means required in said. last mentioned bocies only.

In testimony whereof, I sign this specification in the presence of twowitnesses.

FREDERICK A. SCHOSSOW.

Witnesses:

SAMUEL E. THOMAS. GRACE E. WYNKOOP

